/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hbzhou.open.flowcamera.util;

import ohos.powermanager.PowerManager;

import java.util.Objects;

/**
 * 锁屏处理工具类
 */
public class PowerManagerUtil{
    private static PowerManager.RunningLock runningLock;

    private static synchronized void createRunningLock() {
        PowerManager pm = new PowerManager();
        runningLock = pm.createRunningLock("FlowCamera", PowerManager.RunningLockType.BACKGROUND);
    }

    public static void lock(long milliseconds) {
        if (Objects.isNull(runningLock)) {
            createRunningLock();
        }
        runningLock.lock(milliseconds);
    }

    public static void unLock() {
        if (Objects.nonNull(runningLock)) {
            runningLock.unLock();
            runningLock = null;
        }
    }

}
